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Streetmix3D

Try in your browser now: https://kfarr.github.io/streetmix3d/

Streetmix3D creates 3D visualizations of your 2D Streetmix.net streets using A-Frame and WebXR.

How to make your own Streetmix3D street:

• First, use Streetmix.net to create a street design. (Streetmix is a tool that lets you design, remix, and share your neighborhood street. More information about Streetmix here.)
• Then, save a Streetmix street using a Twitter account so that you have a unique URL for your street that looks something like this: https://streetmix.net/kfarr/3/my-awesome-street-name
• Load https://kfarr.github.io/streetmix3d/, paste in your street URL, and press the magic green button.
• See instant changes to your work: Switch back to a Streetmix.net tab, make changes to your street, then reload the Streetmix3D page to see the edits applied.

Streetmix Segment Support

Streetmix3D does not yet support all of the street segments found in Streetmix. You may find some segments don't display at all or are missing 3D elements. Here is a complete list:

Streetmix Segment	Streetmix3D Support?	Supported Variants	Notes and Model Source
sidewalk	Yes - Partial	empty	All variants show empty sidewalk, no pedestrian 3d models or density variants.
sidewalk-lamp	Yes - All	Variants: right, left, both Subvariants: modern, traditional, pride	Modern Lamp Post, License Google Poly CC Attrib; Traditional Lamp Post, License Google Poly CC Attrib
bike-lane	Yes - All	Variants: regular, red, green	No bikes shown
drive-lane	Yes - Partial	car-type: "car" and "sharrow"	Not supported: car-type truck and autonomous vehicle
turn-lane	Yes - All	left right left-right-straight shared both left-straight right-straight straight	Note: there appears to be a bug with Streetmix.net rendering of turn-lane-orientation variant in street cross section for inbound - it appears to be inverted from the street's json database value. https://github.com/streetmix/streetmix/issues/683. Note: Shared turn lane does not exhibit proper segment lane markings.
bus-lane	Yes - Partial	shared (sharrow) variant not supported	Model Credits: New Flyer XD40 Bus
divider	Yes - Partial	striped-buffer, bollard	striped-buffer is rendered for all variants. Original model credit: Flexi Guide 300 Safe Hit Post
parking-lane	Yes - Partial		parking-lane-direction and parking-lane-orientation unsupported, parking delimiter markings unsupported
sidewalk-tree	Yes - All	palm-tree, big	Supports palm tree and normal ("big") street tree. Palm Tree: License Google Poly CC Attrib, Model Source, Street Tree: License Sketchfab "Standard", Polygon City Pack
sidewalk-bench	Yes - Partial	left, right	"center" bench not supported.
sidewalk-bike-rack	Yes - Partial		Doesn't support height -- always at sidewalk level. No bike model yet, just the rack. Model credits: Bike Rack by illustrationlogic, License CC BY NC SA 4.0
sidewalk-wayfinding	Yes - Partial	small, medium, large variants all render same object	All size variants render the same simple wayfinding obelisk shape with texture based on original NYC design from Pentagram..
parklet	No
light-rail	Yes - All	grass variant displays as green color asphalt	Model credits: Siemens Avenio, License CC BY NC SA 4.0; Train track 2 black, License Google Poly CC BY
streetcar	Yes - All	grass variant displays as green color asphalt	Model credit: Godarville Tram, License Turbo Squid Royalty Free
transit-shelter	Yes - Partial		Doesn't support height -- always at sidewalk level.
train	No		No support planned, not a public Streetmix segment type.
scooter	Yes - All	Variants: regular, red, green	No scooters shown. (Treated identically to a bike lane.)
scooter-drop-zone	No
bikeshare	Yes	left right	Rendered every 100 meters. Original model credit
food-truck	No
flex-zone	No
flex-zone-curb	No

Streetmix Building Support

"Buildings" are lots and/or objects rendered on either side of the street to add to the setting.

Streetmix Building	Streetmix3D Support?	Supported Variants	Notes
grass	Yes		https://www.textures.com/download/grass0052/12094
fence	Yes		Fence Model: Paid Royalty Free License CGTrader.com T&Cs Paragraph 21 for construction fence Low-poly 3D model
parking-lot	Yes		https://www.textures.com/download/roads0111/53096
waterfront	Yes		Credit to @Lady_Ada_King for a-ocean-plane; @threejs for water normal jpeg; cgskies for sky image (paid license). Seawall Models: License Sketchfab "Standard" from Polygon City Pack
residential	No
narrow	Yes - partial		Buildings: License Sketchfab "Standard" from Polygon City Pack. Does not support varying floors as specified by Streetmix JSON.
wide	Yes - partial		Same as narrow. In the future this could include back alleyway, backyards, etc. ; https://www.textures.com/download/asphaltdamaged0057/46489

Helpful Streetmix debugging information

Here are some tips and links from my experience "reverse engineering" Streetmix to get info out of their API.

I heavily referenced this Streetmix page which outlines all the possible segments: https://github.com/streetmix/streetmix/blob/master/assets/scripts/segments/info.json

I learned a few things:

• Each street has a unique UUID (such as 7a633310-e598-11e6-80db-ebe3de713876) with its own corresponding API endpoint (such as https://streetmix.net/api/v1/streets/7a633310-e598-11e6-80db-ebe3de713876)
• This UUID is not shown in the UI. It can be found by going to this URL and supplying the nameSpacedId and creatorId, such as: https://streetmix.net/api/v1/streets?namespacedId=3&creatorId=kfarr . This will redirect to the UUID API endpoint
• I wrote a quick JS helper function that takes a user facing URL on Streetmix (such as https://streetmix.net/kfarr/3/a-frame-city-builder-street-only) and transforms it into the API Redirect to find the UUID endpoint. You can find the helper function docs here.

Developer Docs

See this link for more information about the custom components developed and modified for the project.

Model Credits

• Unless credited all models, materials and textures created by Kieran Farr, MIT License same as project repo
• Creative Commons Google Poly
• Some city / car models https://sketchfab.com/3d-models/polygon-city-pack-preview-5a16f543d1054fbc9ce1cb17a2ba412e
• Some road textures https://www.textures.com/download/roads0086/44877 https://www.textures.com/download/roads0122/55065
• Sidewalk textures https://www.textures.com/download/floorsregular0299/87153 https://www.textures.com/download/floorsregular0301/87158
• Fence model https://sketchfab.com/3d-models/chainlink-fence-low-poly-50901b0cc91b4e04a18ecd13bc379a90
• Bus stop, creative commons https://poly.google.com/view/7iBPwMlmfge
• Do something with this adorable train: https://sketchfab.com/3d-models/tram-and-rails-modular-4168da5a8b884171b4540dd33eb05ef2
• Trolley: https://sketchfab.com/3d-models/neighborhood-trolley-3bc683cca6b84d8985cc0befe710b8fa

Audio Credits

• wide, narrow urban building variants: Ambient SF https://www.soundsnap.com/ssl_16_11_amb_ext_afternoon_alamo_square_painted_houses_park_with_birds_some_people_around_calm_city_san_francisco_st_wav
• fence, grass variants - AMB_Suburbs_Afternoon_Woods_Spring_Small Field_Bird Chirps_Low Car Rumbles_Grass_Leaves Rustle_ST_MKH8050-30.mp3
• parking-lot variant - "Parking lot ambience - long - looping.mp3" https://www.soundsnap.com/parking_lot_ambience_long_looping_wav
• waterfront variant - UKdock4.mp3 - https://www.soundsnap.com/ukdock4
• waterfront variant - Water pier underneath small waves distant traffic ambience_BLASTWAVEFX_31752.mp3 - https://www.soundsnap.com/node/96455
• residential (suburban) variant - lawn mower, etc. - AMB_Suburbs_Spring_Day_Distant Lawnmowers_Birds_Distant Traffic_Distant Plastic Windmill Spin_Truck Pass By_Plane Overhead_MS_ST_MKH8050-30.mp3 https://www.soundsnap.com/amb_suburbs_spring_day_distant_lawnmowers_birds_distant_traffic_distant_plastic_windmill_spin_truck_pass_by_plane_overhead_ms_st
• Diesel idling bus https://www.soundsnap.com/turbodiesel_bus_riding_and_idling
• Tram pass https://www.soundsnap.com/tram_pass_by_fast_wav
• Historic streetcar pass https://www.soundsnap.com/streetcar_passing_by_smoothly

More Notes

See DEV-NOTES for additional notes on future features and work in progress.